PulseTech 490PT+ 12V Digital Battery Analyzer Tester & Printer (741X491) - Manual (Page 4)

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to weld a ring or the like to metal causing a severe burn.
PREPARING TO TEST：
1. Be sure area around battery is well ventilated while
battery is being tested.
2. Clean battery terminals. Be careful to keep corrosion
from coming in contact with eyes.
3. Inspect the battery for cracked or broken case or cover.
If battery is damaged, do not use tester.
4. If the battery is not sealed maintenance free, add distilled
water in each cell until battery acid reaches level specified
by the manufacturer. This helps purge excessive gas from
cells. Do not overfill.
5. When testing batteries in parallel; you must always
remove the paralleling cables.
OPERATION & USE ：
BATTERY TEST - 490PT+
1. Before you test a battery in a vehicle, turn off the ignition,
all accessories and loads.
2. Verify that 4 charged AA batteries are installed prior to
use. Oxyride batteries are not recommended because of
the initial 1.7 Volt output. If the 1.5V battery runs out of
power, screen will show "REPLACE INTERNAL BATTERY"
or" POWER LOW". Replace the four AA batteries
before starting the test. Note that nothing will be seen on
the display until the tester is connected to a vehicle battery.
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